Prime Factorization
LCM & GCF
Operations with Decimals
Random
100
Find the prime factorization of 52.
2 x 2 x 13
100
14
100
Add:
.204 + 5.366
5.57
100
Two numbers N and 16 have LCM = 48 and GCF = 8.
Find N
24
200
2 x 3 x 3 x 5 is the prime factorization of what number?
90
200
45 seconds
200
Multiply:
2.33 x .04
.0932
200
Find the greatest common factor of 24, 40 and 60.
4
300
What number is missing in the prime factorization of 120?
2 x 2 x 5 x ?
3
300
Kiara baked 30 oatmeal cookies and 48 chocolate chip cookies to package in plastic containers for her teacher friends at school. She wants to divide the cookies into identical containers so that each container has the same number of each kind of cookie. If she wants each container to have the greatest number of cookies possible, how many plastic containers does she need?
6 containers
300
Divide:
1.43 divided by .13
.11
300
A school has 10 classes with the same number of students in each class. One day, the weather was bad and many students were absent. 5 classes were half full, 3 classes were 3/4 full and 2 classes were 1/8 empty. A total of 70 students were absent. How many students are in this school when no students are absent?
200
400
Who am I ?
39
400
What pair of numbers am I ?
12 and 15
400
Solve:
(3.75 + 7.8) x 4.8
55.44
400
Two balls A and B rotate along a circular track. Ball A makes 4 full rotations in 120 seconds. Ball B makes 3 full rotation in 60 seconds. If they start rotating now from the same point, when will they be at the same starting point again?
60 seconds